Cambridge IGCSE Chemistry practice

Paper 4 structured question: Electrolysis

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Paper

Marks

Topic

Electrolysis

Exam-style question

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Paper 4Theory (Extended)1 marks

Electrolysis of halide solutions

Description

During the electrolysis of a dilute sodium chloride solution, the products formed at the electrodes are of interest.

a
State the product formed at the anode during the electrolysis of dilute sodium chloride solution.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 4Theory (Extended)1 marks

Description

In the electrolysis of concentrated potassium bromide solution, the products formed at the electrodes need to be identified.

a
State the product formed at the cathode during the electrolysis of concentrated potassium bromide solution.
Your answer
Aim for approximately 1 distinct marking point.
[1]